Magnet to be used in injection molding machine hoppers is designed for a separation of ferromagnetic impurities from dry mixtures, characterized by good loose parameters. The device includes 5 pipes, neodymium magnets are parts of the supply. Magnet to be used in injection molding machine hoppers is manufactured using DIN 1.4301 stainless steel. Magnetic induction on the core is 6480 G, the core tear-off force is 90N. Magnetic induction on the coat is 4440 G, the coat tear-off force is 53 N. Magnetic separator is surface-treated by sanding. Maximum working temperature of this separator is 80°C. Magnetic core weight is 1 kg, total weight is 3.6 kg.